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Domain report

atomicclock.app

atomicclock.app ranks in the top 0.24% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore atomicclock.app in the Web Graph

Connectivity

#318,542harmonic-centrality rank
Top percentile
0.24%
Hosts observed
1

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://atomicclock.app/ answered with HTTP 200.

DNS records

A
  • 185.139.158.37
AAAA
  • 2a0b:20c0:2000:62:be24:11ff:fedd:2c5c
MX
  • 0 in-mx.uberspace.de.
NS
  • ns.inwx.de.
  • ns2.inwx.de.
  • ns3.inwx.eu.

Live preview

This is a live, sandboxed embed of atomicclock.app — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://atomicclock.app/HTTP 308

    → https://atomicclock.app/

  2. 2.https://atomicclock.app/HTTP 302

    → https://atomicclock.app/en

  3. 3.https://atomicclock.app/enHTTP 200

Meta tags

Title
AtomicClock App - Exact NTP Time & UTC Clock
Description
AtomicClock is a free precision clock app for exact NTP time, New Year's Eve timing, daylight saving time changes, UTC checks, and setting watches or devices manually.
Canonical
https://atomicclock.app/en
Robots
Not set
Generator
Not set
Open Graph title
AtomicClock App - Exact NTP Time & UTC Clock
Open Graph description
Check exact time for New Year's Eve, daylight saving time changes, UTC comparison, and setting watches or devices manually.
Open Graph image
https://atomicclock.app/static/img/atomicclock/exact-time-devices.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
AtomicClock App - Exact NTP Time & UTC Clock
Twitter image
https://atomicclock.app/static/img/atomicclock/exact-time-devices.png

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

No Sitemap declared in robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

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